Encyclopædia Britannica — versiyalar orasidagi farq

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{{Qardosh loyihaga ishorat}}
;Rasmiy sayt
* [https://www.britannica.com/ Encyclopædia„Encyclopædia „Britannica“ningBritannica“ning rasmiy sayti] {{ref-en}}
 
;Eski nashrlar
* [http://www.1902encyclopedia.com/ Encyclopædia„Encyclopædia „Britannica“ningBritannica“ning 9- va 10-nashrlaridagi maqola va tasvirlar] {{ref-en}}
* [http://www.1911encyclopedia.org/Main_Page Encyclopædia„Encyclopædia „Britannica“ningBritannica“ning 11-nashri] (skanerdan oʻtgazilgan nusxa) {{ref-en}}
* [http://www.gutenberg.org/etext/13600 Encyclopædia„Encyclopædia „Britannica“ningBritannica“ning 11-nashri] (matn qilib yozilgan nusxa) (qisman) {{ref-en}}
 
;Encyclopædia Britannica va boshqa ensiklopediyalar
* [http://www.businessweek.com/1997/42/b3549124.htm „Britannica changini qoqish“], ''BusinessWeek'' {{ref-en}}
* [http://firstmonday.org/htbin/cgiwrap/bin/ojs/index.php/fm/article/view/615/536 „Elektron nusxalash asrida ensiklolediya ishi“], ''First Monday'' {{ref-en}}
* [http://www.kellogg.northwestern.edu/faculty/greenstein/images/htm/Research/Cases/EncyclopaediaBritannica.pdf "Encyclopædia„Encyclopædia „Britannica“daBritannica“da inqiroz"], ''Kellogg School of Management'' {{ref-en}}
 
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